<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006-2016 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: 流年 <liu21st@gmail.com>
// +----------------------------------------------------------------------

// 应用公共文件
function successReturn($data = null,$msg='ok'){
    return json([
        'data'=>$data,
        'msg'=>$msg,
        'error_code'=>0,
    ]);
}

function getRandChar($length){
    $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz';
    $randchar = '';
    for($i = 0;$i<$length;$i++){
        $randchar .= $chars[rand(0,strlen($chars)-1)];
    }
    return $randchar;
}